Subtract 20/90 from 30/27
1st number: 1 3/27, 2nd number: 20/90
30/27 - 20/90 is 8/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
20/90 = 20 × 3/90 × 3 = 60/270 - Subtract the two like fractions:
300/270 - 60/270 = 300 - 60/270 = 240/270 - After reducing the fraction, the answer is 8/9
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